Improved machine for skiving and channeling soles



N ITE D STATESN PATENT a. Baron.'

JOHN B. s IAs, OF BEVERLY, Assis-NOB TO H. s. vBOOMAN, OF BOsTON, i i Y Y i 'f MAssAcHUsBTTs.

."I'MPROVED, MACHINE FOR sKlvlNG AND cHANNl-:LlNe SOLES.

Specification forming part of Letters Patent No. 89,798, dated May 4, 1869.

lTo all 'whom fit-may concern:

accompany and form part of-this` specification,

is a description of my invention, sufficient to Y enable those vskilled in the art to practice it.

The invention has particular reference to the arrangement of the knives or cutters of channelin g and ed ge-skivin g machines, or machines lfor preparing the edges of boot and shoe soles for the reception of the stitches by means of which the soles and Vamps are united.

In channeling-machines, as heretofore made, two feed-wheels are employed, the lower one having a toothed or serrated periphery, and the upper one a smooth periphery, the outer or wearing surface of the sole being presented to the upper or smooth-surfaced wheel, so as to be left unmarred by contact therewi th. The channel, however, is cut in this outer sole-sur- -'ace,-so that a flap being formed `by the incision of the knife, said flap may be turned up to open the channel, in the bottom of which channel the stitches are laid, the flap being `subsequently pressed back and cemented in finishing the shoe, leaving a smooth and ap ,parently uncut surface. In making turns, however, or that `class of shoes in which the edge of the vamp is secured by stitches running angularly into the inner surface -of the sole, and not through from inner to outer surface, it is desirable to form a flap and channel at the inner surface of the sole, while preservingthe outer surface-unmarred 5 and to so make the machine as to properly form, in connection with or without such an undercut flap or channel, a chamfered or reduced edge at the under surface of the sole is the obj ect of my improvement.

My invention consists, primarily, in mounting a skiving knife or cutter upon the upper or movable arm of the machine, when said knife or cutter is so formed and disposed as to skive the lower surface of the sole-edge, leaving the skived edge of uniform thickness, and

Aalso in combining with such skiving-knife a stationary channeling Vknife or cutter, so arranged as to cnt upward into the lower or inner surface of the sole.

The drawing represents a side view of the front part of the mechanism of an ordinary channeling-machine, my improvements being shown as embodied therewith.

a denotes the bearing of the lower or feedwheel shaft b, upon the front end of which shaft is iixed the toothed or serrated feedwheel c. d denotes the upper or presser wheel, journaled upon a pin, e, projecting from the head fh of the movable arm y. To this arm g is fastened the stock of the skiving-cutter h, the shank of which extends down at the side of the edge-guide i, the cutting-edge projecting out therefrom over the feed-wheel and in front of the edge-guide, as seen in the drawing, the point ofthe cutter dropping down below the plane of the top of the feed-wheel, as shown..

The sole to be skived is introduced between the wheelscdgvith` the edge against the guide il. The feed-wheel being then turned,the skiv-. ing-knife cuts off the strip from the under sur-. face of the sole, extending from the edge to the stitch-entering line, the trimmed edge of the sole then passing on between the edge of the cutter and the presser-wheel, (or a gagepiece, 7c, in line with the lower surface of the presser-wheel,) such edge being gaged to a uniform thickness, corresponding to the depth of space between the wheel or gage and the cutter, and the edge being reduced to greater or less thickness by setting the cutting-edge of the knife to a greater or less distance below the presser-wheel or the gage lc.

ln front of the feed-wheel is a post, I, to which is fastened-.the stock of the channelingcutter m. The top of the feed-wheel c serves as a rest for the under surface of the sole in line with the channel to be out, and the cutter projecting up beyond the top of the wheel to a distance equal to the depth to which the slit or channel is to be cut.

It will thus be seen that both cutters are arranged to operate upon the lower surface of the sole, while by hanging the skiving-cutter from the movable arm, or so as to be stationary relatively to the tangential plane of the l. In combination with the feed and presser wheels and edge-guide, the skiving and slit or channel-formin g knives or cutters, arranged to operate together, substantially as described.

2. Also, in combination with the feed-wheels and edge-guide, a skiving-knife attached to the arm or frame upon which the presser- Wheel is journaled, but acting upon the lopposite surface of the sole, substantially as de- JOHN B. SIAS.

. scribed.

Witnesses: l JAMES HILL, H. S. VRooMAN. 

